120. Задачка по химии №012 094

2. When using a method in which the relative standard deviation of individual results must be ≤ 0.5%, the following data are obtained: 30.15; 30.55; 30.12. a) Calculate the absolute values of the standard deviations using the value of the range of values. b) Evaluate the reproducibility of these results by comparing it with a known relative standard deviation.

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